Home / 5,443.24-8,159.26-2,155

Finding the Fourth Proportional to 5,443.24, 8,159.26 and 2,155

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Solution

The fourth proportional to 5,443.24, 8,159.26 and 2,155 is: 3,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.24 : 8,159.26 = 2,155 : x
  2. Step 2: Convert to fraction form
    5,443.24/8,159.26 = 2,155/x
  3. Step 3: Cross multiply
    5,443.24x = 8,159.26 × 2,155
  4. Step 4: Simplify right side
    5,443.24x = 17,583,205.30
  5. Step 5: Solve for x
    x = 17,583,205.30/5,443.24
  6. Step 6: Final answer
    x = 3,230.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.